We haven't detected any that I'm aware of.
There is more than one star in the Rigel "system". The main star, in terms of brightness, is Rigel A. That has a surface temperature of about 12,000 degrees Celsius.
It is 754.81 milliarcseconds. Also, the star is Rigil Kentaurus, not Rigel which is the name of another star.
Rigel is a binary star system. It was discovered by F.G.W. Struve in 1831. It is the third brightest star system in the night sky.
In the star Rigel, 100,000,000 roughly.
Rigel is a star, not a planet. It is not certain who actually named it. Many cultures have other names for it.
Rigel is in the same galaxy as Earth is, which is the Milky Way.
Rigel is hot by "normal" stars but it is not the hottest, this distinction goes to a star named Cygnus OB2-12. See related questions.
The star Rigel can also be called β Orionis or Beta Orionis.
Rigel is a triple star system.
The Rigel star is a star in the Orion constellation. Rigel is the brightest star in the Orion constellation, and it is the seventh brightest star seen in the night's sky.
We haven't detected any that I'm aware of.
Rigel is the brightest star in the constellation Orion
Rigel B is also a blue-white star but, unlike Rigel A, it is a main sequence star.
No. Proxima Centauri is the nearest star. Rigel is much further away.
Rigel by far.
Rigel is in the constellation Orion, not Centaurus. Please check your spelling and, if appropriate, resubmit.